[linux-2.6-block.git] / kernel / trace / trace_synth.h

// SPDX-License-Identifier: GPL-2.0
#ifndef __TRACE_SYNTH_H
#define __TRACE_SYNTH_H

#include "trace_dynevent.h"

#define SYNTH_SYSTEM		"synthetic"
#define SYNTH_FIELDS_MAX	32

#define STR_VAR_LEN_MAX		MAX_FILTER_STR_VAL /* must be multiple of sizeof(u64) */

struct synth_field {
	char *type;
	char *name;
	size_t size;
	unsigned int offset;
	bool is_signed;
	bool is_string;
};

struct synth_event {
	struct dyn_event			devent;
	int					ref;
	char					*name;
	struct synth_field			**fields;
	unsigned int				n_fields;
	unsigned int				n_u64;
	struct trace_event_class		class;
	struct trace_event_call			call;
	struct tracepoint			*tp;
	struct module				*mod;
};

extern struct synth_event *find_synth_event(const char *name);

#endif /* __TRACE_SYNTH_H */
Commit	Line	Data
726721a5 TZ	1	// SPDX-License-Identifier: GPL-2.0
	2	#ifndef __TRACE_SYNTH_H
	3	#define __TRACE_SYNTH_H
	4
	5	#include "trace_dynevent.h"
	6
	7	#define SYNTH_SYSTEM "synthetic"
	8	#define SYNTH_FIELDS_MAX 32
	9
4a4a56b4	10	#define STR_VAR_LEN_MAX MAX_FILTER_STR_VAL /* must be multiple of sizeof(u64) */
726721a5 TZ	11
	12	struct synth_field {
	13	char *type;
	14	char *name;
	15	size_t size;
	16	unsigned int offset;
	17	bool is_signed;
	18	bool is_string;
	19	};
	20
	21	struct synth_event {
	22	struct dyn_event devent;
	23	int ref;
	24	char *name;
	25	struct synth_field **fields;
	26	unsigned int n_fields;
	27	unsigned int n_u64;
	28	struct trace_event_class class;
	29	struct trace_event_call call;
	30	struct tracepoint *tp;
	31	struct module *mod;
	32	};
	33
	34	extern struct synth_event find_synth_event(const char name);
	35
	36	#endif /* __TRACE_SYNTH_H */